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Prevalence of feline urinary tract pathogens and antimicrobial resistance over five years
  1. Svenja Teichmann-Knorrn1,
  2. Sven Reese2,
  3. Georg Wolf3,
  4. Katrin Hartmann1 and
  5. Roswitha Dorsch1
  1. 1Clinic of Small Animal Medicine, LMU Munich, Munich, Germany
  2. 2Institute of Veterinary Anatomy, Histology and Embryology, LMU Munich, Munich, Germany
  3. 3Institute for Infectious Diseases and Zoonoses, LMU Munich, Munich, Germany
  1. E-mail for correspondence; s.teichmann{at}medizinische-kleintierklinik.de

Abstract

The aim of this retrospective study was to document the prevalence of bacterial species in cats with significant bacteriuria and to compare their antimicrobial susceptibilities over five years. One hundred sixty-nine positive urine cultures from 150 cats were included. Fifty-five per cent showed clinical signs, while 40 per cent had subclinical bacteriuria. Escherichia coli, Staphylococcus species, Enterococcus species, Streptococcus species and Proteus mirabilis accounted for 50.5 per cent, 22.9 per cent, 15,1 per cent, 3.6 per cent and 2.6 per cent, respectively. Enterococcus species was significantly more common in cats with subclinical bacteriuria. Enterococcus species and Proteus mirabilis isolates were resistant to a significantly higher number of antimicrobials than other isolates. Applying the formula to select rational antimicrobial therapy, bacterial isolates were most likely to be susceptible to imipenem, nitrofurantoin, gentamicin and amoxicillin clavulanic acid. Over the study period, only minor differences were noted for the antimicrobial impact factors (IFs) between years and between cats with and without clinical signs. The cumulative IF increased significantly compared with the previous 10 years. Empirical treatment of bacterial cystitis should be avoided whenever possible and, if needed, based on the locally determined bacterial spectrum and antibiotic susceptibility.

  • feline lower urinary tract disease
  • bacterial cystitis
  • antimicrobial susceptibility
  • cats
  • urinary tract infection
  • subclinical bacteriuria

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Footnotes

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Presented at Parts of the study were presented as a short communication at the 22nd Eurocongress of the Federation of European Companion Animal Veterinary Association (FECAVA). Vienna, AT, 22.6.2016–25.6.2016.

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